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Simplifying 13x + -52 + 12 = 9x + -18 + 4x Reorder the terms: -52 + 12 + 13x = 9x + -18 + 4x Combine like terms: -52 + 12 = -40 -40 + 13x = 9x + -18 + 4x Reorder the terms: -40 + 13x = -18 + 9x + 4x Combine like terms: 9x + 4x = 13x -40 + 13x = -18 + 13x Add '-13x' to each side of the equation. -40 + 13x + -13x = -18 + 13x + -13x Combine like terms: 13x + -13x = 0 -40 + 0 = -18 + 13x + -13x -40 = -18 + 13x + -13x Combine like terms: 13x + -13x = 0 -40 = -18 + 0 -40 = -18 Solving -40 = -18 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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